EP0226285A1 - Pesticidal compositions - Google Patents
Pesticidal compositions Download PDFInfo
- Publication number
- EP0226285A1 EP0226285A1 EP86307591A EP86307591A EP0226285A1 EP 0226285 A1 EP0226285 A1 EP 0226285A1 EP 86307591 A EP86307591 A EP 86307591A EP 86307591 A EP86307591 A EP 86307591A EP 0226285 A1 EP0226285 A1 EP 0226285A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- amitraz
- composition according
- volume
- aluminium
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/52—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing groups, e.g. carboxylic acid amidines
Definitions
- This invention relates to pesticidal compositions comprising amitraz.
- Amitraz is the common name for the insecticide and acaricide whose chemical name is N-methylbis(2,4-xylyl- iminomethyl)amine.
- This compound is commonly formulated as an emulsifiable concentrate, but in this form can suffer from degradation, particularly in hot and/or humid conditions. It is therefore frequently necessary to add a stabiliser.
- a particularly valuable stabiliser has been epichlorhydrin, but the use of this stabiliser has been banned in some countries.
- our GB Patent No. 2058570 we have claimed the use of certain carbodiimides, and especially di-(2,6-diisopropylphenyl)carbodiimide as a stabiliser, but these compounds suffer from certain disadvantages. In particular their use has not been cleared, up till now, by certain regulatory authorities but also they do not satisfactorily stabilise formulations to which endosulphan has been added.
- aluminium alkoxides can act as very good stabilisers for amitraz.
- the composition usually comprises from 0.5 to 50%, e.g 5 to 30% and especially 10 to 20% weight by volume of amitraz. from 0.1 to 5%. e.g 0.5 to 2% aluminium alkoxide and optionally up to 35% of surfactant. preferably from 5 to 25%.
- aluminium alkoxides are particularly valuable when endosulphan is also present, e.g. in amounts of from 10 to 40%. especially 20 to 30% weight by volume.
- Suitable solvents include for example, aromatic hydrocarbons such as alkylbenzenes incorporating the various trimethylbenzenes, methylethylbenzenes, dimethylethylbenzenes, diethylbenzenes, tetramethylbenzenes, trimethylethylbenzenes, methyldiethylbenzenes.
- aromatic hydrocarbons such as alkylbenzenes incorporating the various trimethylbenzenes, methylethylbenzenes, dimethylethylbenzenes, diethylbenzenes, tetramethylbenzenes, trimethylethylbenzenes, methyldiethylbenzenes.
- chlorinated hydrocarbons such as chlorinated alkanes, chlorinated alkenes and chlorinated benzene and chlorinated alkylbenzenes: ketonic solvents such as cyclohexanone, isophorone, N-methyl-pyrrolidone, disobutylketone and methylisobutylketone.
- Surfactants may be any of those commonly used in the art and are preferably nonionic surfactants, anionic surfactants or a blend of nonionic and anionic surfactants.
- Nonionic surfactants include for example, ethoxylated alkylphenols such as optionally terminally blocked alkylphenol ethoxylates; ethoxylated aliphatic alcohols: ethoxylated amines: ethoxylated fatty acids and fatty acid esters; ethoxylated alkylolamides: block polymers/copolymers of ethylene oxide and propylene oxide; alkylolamides and ethoxylated/propoxylated alkyl phenols or fatty alcohols.
- ethoxylated alkylphenols such as optionally terminally blocked alkylphenol ethoxylates
- ethoxylated aliphatic alcohols ethoxylated amines: ethoxylated fatty acids and fatty acid esters
- ethoxylated alkylolamides block polymers/copolymers of ethylene oxide and propylene oxide
- Anionic compounds include for example, sulphonates such as alkylaryl sulphonates or petroleum sulphonates; sulphates such as alcohol sulphates or other sulphates; phosphate esters; or sulphosuccinates.
- the aluminium alkoxide is generally a C 1-6 alkoxide. Mixtures of alkoxides may be used and a particularly suitable mixture is that of the isopropoxide and the sec.-butoxide.
- pesticides may be included in the compositions of the invention, especially endosulphan.
- emulsifiable concentrates i.e. a concentrate which is diluted with water before use, to form an emulsion of the active ingredient in water
- other liquid compositions, containing amitraz may be stabilised according to the invention.
- a ULV (ultra-low volume) formulation comprising a solution of amitraz and the aluminium alkoxide(s) in a suitable solvent may be prepared for direct spraying without dilution or a pour-on formulation may be prepared for the direct application to animals by dissolving amitraz and the alkoxide in an oil medium which may optionally contain a co-solvent.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Zoology (AREA)
- Plant Pathology (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Unknown Constitution (AREA)
- Prostheses (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
- This invention relates to pesticidal compositions comprising amitraz.
- Amitraz is the common name for the insecticide and acaricide whose chemical name is N-methylbis(2,4-xylyl- iminomethyl)amine. This compound is commonly formulated as an emulsifiable concentrate, but in this form can suffer from degradation, particularly in hot and/or humid conditions. It is therefore frequently necessary to add a stabiliser. A particularly valuable stabiliser has been epichlorhydrin, but the use of this stabiliser has been banned in some countries. In our GB Patent No. 2058570 we have claimed the use of certain carbodiimides, and especially di-(2,6-diisopropylphenyl)carbodiimide as a stabiliser, but these compounds suffer from certain disadvantages. In particular their use has not been cleared, up till now, by certain regulatory authorities but also they do not satisfactorily stabilise formulations to which endosulphan has been added.
- We have now found that aluminium alkoxides can act as very good stabilisers for amitraz.
- The composition usually comprises from 0.5 to 50%, e.g 5 to 30% and especially 10 to 20% weight by volume of amitraz. from 0.1 to 5%. e.g 0.5 to 2% aluminium alkoxide and optionally up to 35% of surfactant. preferably from 5 to 25%. As previously stated the aluminium alkoxides are particularly valuable when endosulphan is also present, e.g. in amounts of from 10 to 40%. especially 20 to 30% weight by volume.
- Suitable solvents include for example, aromatic hydrocarbons such as alkylbenzenes incorporating the various trimethylbenzenes, methylethylbenzenes, dimethylethylbenzenes, diethylbenzenes, tetramethylbenzenes, trimethylethylbenzenes, methyldiethylbenzenes. pentamethylbenzenes, naphthalene and various methylnaphthalenes and mixtures thereof; chlorinated hydrocarbons such as chlorinated alkanes, chlorinated alkenes and chlorinated benzene and chlorinated alkylbenzenes: ketonic solvents such as cyclohexanone, isophorone, N-methyl-pyrrolidone, disobutylketone and methylisobutylketone.
- Surfactants may be any of those commonly used in the art and are preferably nonionic surfactants, anionic surfactants or a blend of nonionic and anionic surfactants.
- Nonionic surfactants include for example, ethoxylated alkylphenols such as optionally terminally blocked alkylphenol ethoxylates; ethoxylated aliphatic alcohols: ethoxylated amines: ethoxylated fatty acids and fatty acid esters; ethoxylated alkylolamides: block polymers/copolymers of ethylene oxide and propylene oxide; alkylolamides and ethoxylated/propoxylated alkyl phenols or fatty alcohols.
- Anionic compounds include for example, sulphonates such as alkylaryl sulphonates or petroleum sulphonates; sulphates such as alcohol sulphates or other sulphates; phosphate esters; or sulphosuccinates.
- The aluminium alkoxide is generally a C1-6 alkoxide. Mixtures of alkoxides may be used and a particularly suitable mixture is that of the isopropoxide and the sec.-butoxide.
- Other pesticides may be included in the compositions of the invention, especially endosulphan.
- Although the invention is particularly applicable to the stabilisation of emulsifiable concentrates, i.e. a concentrate which is diluted with water before use, to form an emulsion of the active ingredient in water, other liquid compositions, containing amitraz may be stabilised according to the invention. For example, a ULV (ultra-low volume) formulation comprising a solution of amitraz and the aluminium alkoxide(s) in a suitable solvent may be prepared for direct spraying without dilution or a pour-on formulation may be prepared for the direct application to animals by dissolving amitraz and the alkoxide in an oil medium which may optionally contain a co-solvent.
- The invention is illustrated in the following Examples.
-
- For the purposes of comparison a similar formulation was made up omitting the Aliso B. Samples were stored in IL tins at temperatures of 40 and 50°C. Water was added to each formulation to ensure an initial water content of 0.1%. After two months, portions of each sample were analysed for decomposition of amitraz, by gas-liquid chromatography.
-
- It will be seen that the aluminium alkoxides significantly reduced the decomposition of the amitraz.
-
- This was tested in a similar manner to that described in Example 1 (except that extra water was not added) and compared with a formulation omitting the Aliso B.
-
- It will be seen that the aluminium alkoxides again significantly reduced the decomposition of the amitraz.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86307591T ATE59528T1 (en) | 1985-10-16 | 1986-10-02 | PESTICIDE COMPOSITIONS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8525447 | 1985-10-16 | ||
GB858525447A GB8525447D0 (en) | 1985-10-16 | 1985-10-16 | Pesticidal compositions |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0226285A1 true EP0226285A1 (en) | 1987-06-24 |
EP0226285B1 EP0226285B1 (en) | 1991-01-02 |
Family
ID=10586716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86307591A Expired - Lifetime EP0226285B1 (en) | 1985-10-16 | 1986-10-02 | Pesticidal compositions |
Country Status (30)
Country | Link |
---|---|
US (1) | US4710512A (en) |
EP (1) | EP0226285B1 (en) |
JP (1) | JPH0751483B2 (en) |
KR (1) | KR950009174B1 (en) |
CN (1) | CN1017957B (en) |
AT (1) | ATE59528T1 (en) |
AU (1) | AU570596B2 (en) |
BR (1) | BR8605037A (en) |
CA (1) | CA1266229A (en) |
CS (1) | CS258491B2 (en) |
DD (1) | DD250042A5 (en) |
DE (1) | DE3676466D1 (en) |
DK (1) | DK165434C (en) |
EG (1) | EG18048A (en) |
FI (1) | FI83470C (en) |
GB (1) | GB8525447D0 (en) |
GR (1) | GR3001672T3 (en) |
HU (1) | HU203830B (en) |
IE (1) | IE58898B1 (en) |
IL (1) | IL80306A (en) |
MW (1) | MW7086A1 (en) |
NZ (1) | NZ217919A (en) |
OA (1) | OA08428A (en) |
PH (1) | PH21782A (en) |
PT (1) | PT83545B (en) |
RU (1) | RU1812944C (en) |
TR (1) | TR22547A (en) |
ZA (1) | ZA867811B (en) |
ZM (1) | ZM9586A1 (en) |
ZW (1) | ZW20786A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006042099A1 (en) * | 2004-10-08 | 2006-04-20 | Wyeth | Amitraz compositions |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7906128B2 (en) * | 2002-10-21 | 2011-03-15 | Wyeth Llc | Use of neuronal sodium channel antagonists for the control of ectoparasites in homeothermic animals |
TWI368505B (en) * | 2005-05-24 | 2012-07-21 | Wyeth Corp | Versatile high load concentrate compositions for control of ecto-parasites |
US20080112993A1 (en) * | 2005-05-24 | 2008-05-15 | Wyeth | High-dose, long-lasting ectoparasiticide for extended control |
TW200846029A (en) * | 2007-02-09 | 2008-12-01 | Wyeth Corp | High dose, long-acting ectoparasiticide for extended control |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2058570A (en) * | 1979-09-20 | 1981-04-15 | Boots Co Ltd | Pesticidal compositions |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1488906A (en) * | 1974-11-09 | 1977-10-19 | Boots Co Ltd | Pesticidal compositions |
ZA804985B (en) * | 1979-09-20 | 1981-08-26 | Boots Co Ltd | Pesticidal compositions |
US4479968A (en) * | 1980-10-17 | 1984-10-30 | The Wellcome Foundation Ltd. | Control of ectoparasitic infestations of pigs |
-
1985
- 1985-10-16 GB GB858525447A patent/GB8525447D0/en active Pending
-
1986
- 1986-10-02 AT AT86307591T patent/ATE59528T1/en not_active IP Right Cessation
- 1986-10-02 EP EP86307591A patent/EP0226285B1/en not_active Expired - Lifetime
- 1986-10-02 DE DE8686307591T patent/DE3676466D1/en not_active Expired - Lifetime
- 1986-10-10 MW MW70/86A patent/MW7086A1/en unknown
- 1986-10-13 ZW ZW207/86A patent/ZW20786A1/en unknown
- 1986-10-13 FI FI864116A patent/FI83470C/en not_active IP Right Cessation
- 1986-10-13 EG EG644/86A patent/EG18048A/en active
- 1986-10-13 ZM ZM95/86A patent/ZM9586A1/en unknown
- 1986-10-13 OA OA58976A patent/OA08428A/en unknown
- 1986-10-14 DD DD86295261A patent/DD250042A5/en not_active IP Right Cessation
- 1986-10-14 US US06/918,342 patent/US4710512A/en not_active Expired - Lifetime
- 1986-10-14 NZ NZ217919A patent/NZ217919A/en unknown
- 1986-10-14 DK DK490686A patent/DK165434C/en not_active IP Right Cessation
- 1986-10-14 CS CS867418A patent/CS258491B2/en not_active IP Right Cessation
- 1986-10-14 CA CA000520358A patent/CA1266229A/en not_active Expired - Lifetime
- 1986-10-15 PH PH34372A patent/PH21782A/en unknown
- 1986-10-15 PT PT83545A patent/PT83545B/en not_active IP Right Cessation
- 1986-10-15 ZA ZA867811A patent/ZA867811B/en unknown
- 1986-10-15 AU AU64125/86A patent/AU570596B2/en not_active Expired
- 1986-10-15 HU HU864298A patent/HU203830B/en unknown
- 1986-10-15 RU SU864028366A patent/RU1812944C/en active
- 1986-10-15 BR BR8605037A patent/BR8605037A/en not_active IP Right Cessation
- 1986-10-15 IE IE272386A patent/IE58898B1/en not_active IP Right Cessation
- 1986-10-15 JP JP61243306A patent/JPH0751483B2/en not_active Expired - Fee Related
- 1986-10-15 IL IL80306A patent/IL80306A/en not_active IP Right Cessation
- 1986-10-16 KR KR1019860008667A patent/KR950009174B1/en not_active IP Right Cessation
- 1986-10-16 CN CN86106596A patent/CN1017957B/en not_active Expired
- 1986-10-16 TR TR38953/86A patent/TR22547A/en unknown
-
1991
- 1991-03-27 GR GR91400385T patent/GR3001672T3/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2058570A (en) * | 1979-09-20 | 1981-04-15 | Boots Co Ltd | Pesticidal compositions |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006042099A1 (en) * | 2004-10-08 | 2006-04-20 | Wyeth | Amitraz compositions |
EA010856B1 (en) * | 2004-10-08 | 2008-12-30 | Уайт | Amitraz compositions |
AP2279A (en) * | 2004-10-08 | 2011-10-31 | Wyeth Corp | Amitraz compositions. |
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